6662633013 has 12 divisors (see below), whose sum is σ = 10189909548. Its totient is φ = 4180475520.

The previous prime is 6662632993. The next prime is 6662633041. The reversal of 6662633013 is 3103362666.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1923962769 + 4738670244 = 43863^2 + 68838^2 .

It is not a de Polignac number, because 6662633013 - 2¹³ = 6662624821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662633053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21773158 + ... + 21773463.

It is an arithmetic number, because the mean of its divisors is an integer number (849159129).

Almost surely, 2^6662633013 is an apocalyptic number.

It is an amenable number.

6662633013 is a deficient number, since it is larger than the sum of its proper divisors (3527276535).

6662633013 is a wasteful number, since it uses less digits than its factorization.

6662633013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43546644 (or 43546641 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 6662633013 is about 81624.9533721153. The cubic root of 6662633013 is about 1881.6923998385.

Adding to 6662633013 its reverse (3103362666), we get a palindrome (9765995679).

The spelling of 6662633013 in words is "six billion, six hundred sixty-two million, six hundred thirty-three thousand, thirteen".